Phone Number area codes of city Markham.

416-230 416-315 416-326 416-336 416-346 416-376 416-383 416-385 416-399 416-402 416-407 416-410 416-420 416-470 416-520 416-573 416-580 416-606 416-617 416-726 416-817 416-818 416-948 540-364 705-424 708-620 905-201 905-256 905-294 905-297 905-305 905-324 905-346 905-363 905-415 905-461 905-470 905-471 905-472 905-474 905-475 905-477 905-479 905-494 905-495 905-502 905-510 905-512 905-513 905-515 905-518 905-587 905-736 905-756 905-789 905-879 905-887 905-888 905-924 905-940 905-944 905-946 905-947 905-948 979-843